/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is MPEG4IP.
 *
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2001.  All Rights Reserved.
 *
 * Contributor(s):
 *      Dave Mackie     dmackie@cisco.com
 */

#include "src/impl.h"

namespace mp4v2
{
    namespace impl
    {

        ///////////////////////////////////////////////////////////////////////////////

        MP4ODUpdateDescriptor::MP4ODUpdateDescriptor(MP4Atom &parentAtom)
            : MP4Descriptor(parentAtom, MP4ODUpdateODCommandTag)
        {
            // just a container for ObjectDescriptors
            AddProperty( /* 0 */
                new MP4DescriptorProperty(parentAtom, NULL,
                                          MP4FileODescrTag, 0, Required, Many));
        }

        MP4ODRemoveDescriptor::MP4ODRemoveDescriptor(MP4Atom &parentAtom)
            : MP4Descriptor(parentAtom, MP4ODRemoveODCommandTag)
        {
            MP4Integer32Property *pCount =
                new MP4Integer32Property(parentAtom, "entryCount");
            pCount->SetImplicit();
            AddProperty(pCount); /* 0 */

            MP4TableProperty *pTable =
                new MP4TableProperty(parentAtom, "entries", pCount);
            AddProperty(pTable); /* 1 */

            pTable->AddProperty( /* 1, 0 */
                new MP4BitfieldProperty(pTable->GetParentAtom(), "objectDescriptorId", 10));
        }

        void MP4ODRemoveDescriptor::Read(MP4File &file)
        {
            // table entry count computed from descriptor size
            ((MP4Integer32Property *)m_pProperties[0])->SetReadOnly(false);
            ((MP4Integer32Property *)m_pProperties[0])->SetValue((m_size * 8) / 10);
            ((MP4Integer32Property *)m_pProperties[0])->SetReadOnly(true);

            MP4Descriptor::Read(file);
        }

        MP4ESUpdateDescriptor::MP4ESUpdateDescriptor(MP4Atom &parentAtom)
            : MP4Descriptor(parentAtom, MP4ESUpdateODCommandTag)
        {
            AddProperty( /* 0 */
                new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10));
            AddProperty( /* 1 */
                new MP4BitfieldProperty(parentAtom, "pad", 6));
            AddProperty( /* 2 */
                new MP4DescriptorProperty(parentAtom, "esIdRefs",
                                          MP4ESIDRefDescrTag, 0, Required, Many));
        }

        // LATER might be able to combine with ESUpdateDescriptor
        MP4ESRemoveDescriptor::MP4ESRemoveDescriptor(MP4Atom &parentAtom)
            : MP4Descriptor(parentAtom, MP4ESRemoveODCommandTag)
        {
            AddProperty( /* 0 */
                new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10));
            AddProperty( /* 1 */
                new MP4BitfieldProperty(parentAtom, "pad", 6));
            AddProperty( /* 2 */
                new MP4DescriptorProperty(parentAtom, "esIdRefs",
                                          MP4ESIDRefDescrTag, 0, Required, Many));
        }

        MP4Descriptor *CreateODCommand(MP4Atom &parentAtom, uint8_t tag)
        {
            MP4Descriptor *pDescriptor = NULL;

            switch (tag)
            {
            case MP4ODUpdateODCommandTag:
                pDescriptor = new MP4ODUpdateDescriptor(parentAtom);
                break;
            case MP4ODRemoveODCommandTag:
                pDescriptor = new MP4ODRemoveDescriptor(parentAtom);
                break;
            case MP4ESUpdateODCommandTag:
                pDescriptor = new MP4ESUpdateDescriptor(parentAtom);
                break;
            case MP4ESRemoveODCommandTag:
                pDescriptor = new MP4ESRemoveDescriptor(parentAtom);
                break;
            }
            return pDescriptor;
        }

        ///////////////////////////////////////////////////////////////////////////////

    }
} // namespace mp4v2::impl
